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Now showing items 421-430 of 1144
Leaf stomata conductance, leaf water potential and soil water status in panicum maximum (JACQ.) in disturbed and non-disturbed microsites in a semi-arid ecosystem in Kenya
(Jomo Kenyatta University of Agriculture and Technology, 2011)
Tropical semi-arid ecosystems are intricate ecosystems characterized by
alternating dry-wet cycles. The question of how trees and grasses coexist under a
considerable range of environmental and management conditions has ...
The source of the interplanetary magnetic field (IMF) measured by pioneer V
(University of Nairobi, 2014)
Solar atmosphere expansion into interplanetary space was a dominant theoretical models when Pioneer-V was
launched in March 1960, to determine among others the source of measured anomalous Interplanetary Magnetic
Fields ...
Influence of surface passivation on optical properties of spray pyrolysis deposited Pd-F:SnO2
(Science Publishing Group, 2014)
Pd-F:SnO2 thin films have been prepared by spray pyrolysis technique using an alcoholic precursor solution
consisting of stannic chloride (SnCl4.5H20), ammonium fluoride (NH4F) and palladium chloride (PdCl2). Optimization ...
Inhibitory effect of Mangifera indica on gastrointestinal motility
(University of Nairobi, 2012)
Diarrhoea, the second leading cause of child mortality, accounts for 1.5 million
deaths, impeding the realization of the fourth Millennium Development Goal. A
review of existing treatment modalities and formulation of ...
Electromagnetic Radiation Energy and Planck,'Constan
(University of Nairobi, 2014-11)
ABSTRACT -- The components of Electromagnetic Radiation (EM-R) mechanism are analyzed; these includes the
Flipping Time (), and the Flipping Frequency (); the condition initiating F-F and the formation of EM-R ...
Carbon stable isotopes suggest that hippopotamus-vectored nutrients subsidize aquatic consumers in an East African river
(University of Nairobi, 2015)
The common hippopotamus,
Hippopotamus amphibius
, transports millions of tons of organic
matter annually from its terrestrial feeding grounds into aquatic habitats. We evaluated whether carbon
stable isotopes (
d
13
C) ...
The importance of water and oxygen in the evolution of hydrogen shuttle mechanisms
(University of Nairobi, 1981)
1.
1. Aerobic carbohydrate metabolism necessitates a hydrogen shuttle mechanism.
2.
2. This mechanism must supply glyceraldehyde 3-phosphate dehydrogenase with NAD and must not, in itself, detract from the ...
Evidence for neurosecretory substance in neurons in the small intestine of dogs
(University of Nairobi, 1976)
Paraffin-embedded sections from the small intestine of the dog were stained for neurosecretory substance by various methods. Neurons in the submucous plexus show distinct violet granules, indicating the presence of ...
The evolution of pyrimethamine resistant dhfr in Plasmodium falciparum of south-eastern Tanzania: comparing selection under SP alone vs SP+artesunate combination.
(University of Nairobi., 2011-10)
BACKGROUND:
Sulphadoxine-pyrimethamine (SP) resistance is now widespread throughout east and southern Africa and artemisinin compounds in combination with synthetic drugs (ACT) are recommended as replacement treatments ...
Antimicrobial activity and phytochemical study of vernonia glabra (steetz) oliv.& hiern. in Kenya
(2013)
Infectious diseases are prevalent and life threatening in Kenya. Majority of the sick are seeking herbal remedies in search of effective, safe, and affordable cure. This project aims to investigate the antimicrobial activity ...